The simplest band-stop filter is an RLC circuit.Īctive filters include one or more op-amps in the design. The simplest band-pass filter is an RLC circuit.Ī band-stop filter rejects frequencies between two critical frequencies the bandwidth is measured between the critical frequencies. The bandwidth is defined as the difference between the two critical frequencies. The simplest high-pass filter is a passive RC circuit with the output taken across R.Ī band-pass filter passes all frequencies between two critical frequencies. Summary The Basic High-Pass Filter The high-pass filter passes all frequencies above a critical frequency and rejects all others. The simplest low-pass filter is a passive RC circuit with the output taken across C. Summary The Basic Low-Pass Filter The low-pass filter allows frequencies below the critical frequency to pass and rejects other. Basic filter responses are: Low-pass High-pass Band-pass Band-stop The critical frequency defines the end (or ends) of the passband. The passband is the range of frequencies allowed through the filter. Summary Basic filter Responses A filter is a circuit that passes certain frequencies and rejects all others. Presentation on theme: "Electronic Devices Ninth Edition Floyd Chapter 15."- Presentation transcript:ġ Electronic Devices Ninth Edition Floyd Chapter 15
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